OK,Let’s do it step by step.
1, Upload the index.php to your host, and then access it. Got a Google index? that’s it.
2, Run Opera Mini server changer. Look at the picture:

Now you can install your modified jar file. Good luck!

Why it Works?
Because Opera Mini uses data compression technology that enables data to be encrypted. But under pressure from the Chinese government, Opera’s Norway compression server refuse requests from China’s IP. And now we are using a proxy server to transfer data with the compression server.